PR-448199:

Adding Testing with Jest and bin command for npx.

tests/server/index.test.ts

@@ -0,0 +1,36 @@
+import server from '../../index';
+import supertest from 'supertest';
+describe('global server tests', () => {
+    let request;
+    beforeEach(() => {
+        request = supertest(server);
+      });
+    test('should return Test data from test Query', async () => {
+        const bodyResponse = {
+            data: {
+              test: { test: 'This is the text response for Test Query from a model' }
+            }
+        }
+
+        const response = await request.get('/graphql?query=%7B%0A%20%20test%7B%0A%20%20%20%20test%0A%20%20%7D%0A%7D%0A')
+        .set('Accept', 'application/json')
+        expect(response.status).toEqual(200);
+        expect(response.body).toEqual(bodyResponse);
+    });
+
+    test('should return Test data from test Mutation', async () => {
+        const bodyResponse = {
+            data: {
+                testMutation: {
+                    testMutation: 'Simulate to insert some text: test text from a model'
+                }
+            }
+        }
+
+        const response = await request.post('/graphql')
+        .send({"query":"mutation{\n testMutation{\n testMutation(text: \"test text\")\n }\n}\n","variables":null})
+        .set('Accept', 'application/json')
+        expect(response.status).toEqual(200);
+        expect(response.body).toEqual(bodyResponse);
+    });
+});